KVM: add hypercall nr to kvm_run

Add the hypercall number to kvm_run and initialize it. This changes the ABI, but as this particular ABI was unusable before this no users are affected. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
git-mirror · Oct 13, 2007 · 519ef35 · 519ef35
1 parent 1c3d14f
commit 519ef35
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diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
@@ -1378,6 +1378,7 @@ int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run)
 	}
 	switch (nr) {
 	default:
+		run->hypercall.nr = nr;
 		run->hypercall.args[0] = a0;
 		run->hypercall.args[1] = a1;
 		run->hypercall.args[2] = a2;

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
@@ -99,6 +99,7 @@ struct kvm_run {
 		} mmio;
 		/* KVM_EXIT_HYPERCALL */
 		struct {
+			__u64 nr;
 			__u64 args[6];
 			__u64 ret;
 			__u32 longmode;